OpenTechnical

OT-2026-000007805

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007805) never changes.

Identity and time

Publication numberOT-2026-000007805 · never reused
Internal UUID01a0ae62-8d39-7a42-8296-1e3bad001c8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007805
StatusPUBLIC

Content hashes

Canonical textd13cdb54f342036d3203820f87417afd863ced9b9ca50fd8080aba3e76249220
Markdown084b0855a596c378041efc693618e3a82b0d198ef6be61a1fd64ac54e16ae93c
PDF
Publication paged6de645279c9dae892847bc87353cff0bf0e751a1a552c1080e243e6a6639ecd
Manifest9bfda10e5c13a4e5cb7ff99523b90414a70aec70d3cd5822997936daa3025526

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDXm1Bfj0f0zxCLh7rHneBEl7V8RBpGmVpY5DcgyKqRVDLZ24fZPHorpYAizn4S6JEtYMdrJf1uUC6KuLG6/QBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:03.485212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007805
observed d6de645279c9dae892847bc87353cff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.463719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007805/manifest.json
observed 9bfda10e5c13a4e5cb7ff99523b90414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.445315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007805/publication.md
observed 084b0855a596c378041efc693618e3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.426878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007805/publication.txt
observed d13cdb54f342036d3203820f87417afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.